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  1. Spreadsheet Function: COS()
  2. Synopsis:
  3.  
  4. @COS(exp)
  5.  
  6. Description:
  7.  
  8. This function returns the cosine of the expression.
  9.  
  10. Note:   Trig functions are all specified in radians.
  11. If  you need to convert between degrees and radians,
  12. the functions, @RAD and @DEG will help.
  13.  
  14. Examples:
  15.  
  16. @COS(0) would give 1.
  17. @COS(1) would give 0.5403023.
  18. *
  19. Using Functions
  20. Usefunc.help
  21. Maths Operators
  22. operators.help